Papers by Keyword: Environmental Monitor

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Authors: Rui Rui Zhang, Shang Feng Du, Li Ping Chen, Gang Xu, Jie Kan
Abstract: Wireless sensor network technology has the potential to reveal fine-grained, dynamic changes in monitored variables of outdoor landscape. But there are significant problems to be overcome in order to realize the vision in working systems, such as effective utilize of energy, prolong network life and improve sensor accuracy. This paper describes the design and evaluation of a sensor network with an effective data aggression algorithm applied in orchard microclimate monitor. A novel feature of the solution is its data compression algorithm design, in which all sensors were encoded with Morton code and a logical multi-lays cluster was constructed among the nodes. Making use of the similarity of the output of the sensors, the algorithm reduces network data amount and power cost significantly to prolong life of the network. Tests and experiments results are shown in diagrammatic form. The system was field tested over one month in Nankou farm located in Beijing province of China. The experimental results demonstrate that effective collecting of environmental information can be achieved by using our proposed system.
Authors: Alex Mason, Kazunari Ozasa, Olga Korostynska, Ismini Nakouti, Montserrat Ortoneda-Pedrola, Mizuo Maeda, Ahmed Al-Shammaa
Abstract: Euglena is a naturally occurring algae which can be found in any fresh water source.It is non-toxic, easy to handle, visualize and relatively resilient to variation in environment.This, along with the relatively large size of Euglena, means it can be readily used as a modelfor environmental monitoring of other smaller pathogenic micro-organisms (e.g. Escherichiacoli ). Currently the behavior of Euglena is observed through the use of an optical microscopefor sensing purposes. However, this method su ers from following major pitfalls: (1) the sizeand expense of the microscope; (2) the small observation volume (approx. 1 L); (3) the imageprocessing requirements and (4) need for a skilled human operator to acquire those images. Byusing electromagnetic (EM) wave technology in the GHz frequency range we seek to overcomethese challenges, since it has been demonstrated by the authors to be cost e ective, have alarge sensing volume (> 100L) and produce comparatively simple output data. Furthermoreit is possible to use simple software algorithms to process the sensor output data, and providereal-time information on Euglena gracilis viability and quantity. This paper shows proof ofconcept work to verify the feasibility of the proposed EM wave technology as an alternative tothe current optical microscopy methods.
Authors: Wang Zu Min, Qiao Ming Chao
Abstract: As IOT technology attracted widespread attention of the whole society in recent years,communication network, intelligence chip and embedded system has become the hot spot research in the application of agriculture. This paper introduces the concept of IOT technology, expounds the IOT's three-layer structure: Perception layer, Network layer and Application layer; Meanwhile, a detail description of wisdom agriculture is also made, and the IOT's application in agriculture along with chart patterns is analyzed; Finally, the paper illustrates Internet application example and the prospects of application of IOT's technology in agriculture as well as the role in promoting scientific and technological progress and industrial development.
Authors: Jun Hao Niu, Cong Hu, Xian Hua Yin
Abstract: When high voltage electrical equipment running in electrical transformer station, heating, electrical accident would be caused by some factors, for example, the temperature of switch node higher then alarm, discharge with high humidity, condensation of electrical equipment. Therefore, the implementation on-line monitoring for high voltage electrical equipment has become the important problem needed to solve. This paper analyzes the effect of node temperature and the humidity in the switchgear failure, and designs temperature/humidity environment monitoring terminal with low power controller and integrated temperature/humidity sensor. The RS485 interface is used as the communication channel to exchange information with monitor server. In monitor computer, a server is working to collect real time environment information from each terminal and provides web service for user in internet. Experimental results show that this system can realize the contact temperature and humidity environment online monitoring, display, alarm and other functions, and has good scalability and maintainability.
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